Electrochemical studies of the Mg2Si thin films prepared with pulsed laser deposition

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Electrochemically active thin films of Mg2Si (film thickness of 137 nm) have been prepared with the pulsed laser deposition technique. The film showed stable cycle behavior at 0.1 * 1.0 V vs Li with capacity greater than 800 mAh/g for more than 100 cycles. Though film morphology becomes remarkably rougher with cycling, this film showed continuous high stability in cycling. The capacity retention might be attributed to limited structural volume change in 2-dimensional film, easier lithium diffusion to film surface and enhanced conductivity supported from stainless steel substrate. The goal of this film study is to help clarify capacity failure ... continued below

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Song, Seung-Wan; Striebel, Kathryn & Cairns, Elton September 15, 2001.

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Electrochemically active thin films of Mg2Si (film thickness of 137 nm) have been prepared with the pulsed laser deposition technique. The film showed stable cycle behavior at 0.1 * 1.0 V vs Li with capacity greater than 800 mAh/g for more than 100 cycles. Though film morphology becomes remarkably rougher with cycling, this film showed continuous high stability in cycling. The capacity retention might be attributed to limited structural volume change in 2-dimensional film, easier lithium diffusion to film surface and enhanced conductivity supported from stainless steel substrate. The goal of this film study is to help clarify capacity failure of powder intermetallics alloy anodes.

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OSTI as DE00788078

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  • 2001 Joint International Meeting - the 200th Meeting of The Electrochemical Society, Inc. and the 52nd Annual Meeting of the International Society of Electrochemistry, San Francisco, CA (US), 09/02/2001--09/07/2001

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  • Report No.: LBNL--48921
  • Grant Number: AC03-76SF00098
  • Office of Scientific & Technical Information Report Number: 788078
  • Archival Resource Key: ark:/67531/metadc715227

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  • September 15, 2001

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  • Sept. 29, 2015, 5:31 a.m.

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  • April 4, 2016, 3:10 p.m.

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Song, Seung-Wan; Striebel, Kathryn & Cairns, Elton. Electrochemical studies of the Mg2Si thin films prepared with pulsed laser deposition, article, September 15, 2001; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc715227/: accessed August 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.